package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")

@Api(tags="菜品相关接口")
@Slf4j
public class DishController {


    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     *新增菜品
     */
    @PostMapping
    @ApiOperation(("新增菜品"))
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品:{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清除缓存数据
        String key= "dish_"+dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */

    @GetMapping("/page")
    @ApiOperation (("菜品分页查询"))
    public  Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult =dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除：{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉，所以有dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }


    /**
     * 根据id查询菜品
     *
     * */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> get(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO= dishService.getByWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改 和新增比较像
     */

    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);


        cleanCache("dish_*");


        return Result.success();
    }
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){

        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status, Long id){
        dishService.startOrStop(status,id);

        cleanCache("dish_*");
        return Result.success();
    }

    /**
     *
     *
     * 统一来清理缓存数据
     * @param pattern
     */
    private  void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
